US20090288452A1 - Detergent supply apparatus and washing machine - Google Patents
Detergent supply apparatus and washing machine Download PDFInfo
- Publication number
- US20090288452A1 US20090288452A1 US12/453,841 US45384109A US2009288452A1 US 20090288452 A1 US20090288452 A1 US 20090288452A1 US 45384109 A US45384109 A US 45384109A US 2009288452 A1 US2009288452 A1 US 2009288452A1
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- United States
- Prior art keywords
- detergent
- bottle
- detergent bottle
- liquid
- washing machine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003599 detergent Substances 0.000 title claims abstract description 419
- 238000005406 washing Methods 0.000 title claims abstract description 142
- 239000007788 liquid Substances 0.000 claims abstract description 103
- 239000012530 fluid Substances 0.000 claims description 33
- 238000004891 communication Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 58
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 2
- 239000002979 fabric softener Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/022—Devices for adding soap or other washing agents in a liquid state
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F33/00—Control of operations performed in washing machines or washer-dryers
- D06F33/30—Control of washing machines characterised by the purpose or target of the control
- D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
- D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/26—Casings; Tubs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/12—Casings; Tubs
- D06F39/125—Supporting arrangements for the casing, e.g. rollers or legs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
- D06F2105/42—Detergent or additive supply
Definitions
- the disclosure relates to a detergent supply apparatus and a washing machine, and more specifically to a detergent supply apparatus and a washing machine that may automatically supply a liquid detergent.
- a washing machine is an appliance that cleans laundry (i.e. clothing, linens, bedclothes, towels, etc., hereinafter laundry) via washing, rinsing, and dehydrating processes using water, detergent, and various mechanical operations.
- laundry i.e. clothing, linens, bedclothes, towels, etc., hereinafter laundry
- Conventional washing machines generally include a washing tub that is adapted to receive water, detergent, and laundry and arranged to rotate within a washing cabinet via a driving apparatus to wash the laundry.
- conventional washing machines further include a water supply apparatus that supplies water into the washing tub and a water discharge apparatus that discharges the soiled water from the washing tub outside.
- a detergent supply apparatus is arranged over the water supply fluid passage of the water supply apparatus to supply a detergent to the inside of the washing tub.
- the detergent supply apparatus includes a dispenser in fluid communication with the water supply fluid passage and a detergent box that is arranged to be removable from the dispenser and to accommodate various detergents.
- the detergent box is withdrawn from the dispenser, a powder- or liquid-type detergent is supplied in the detergent box, and then the detergent box is inserted back into the dispenser.
- the powder or liquid-type detergent in the detergent box is supplied into the inside of the washing tub along with water flowing through the water supply fluid passage of the water supply apparatus.
- washing machines have the disadvantage in that the process of supplying detergent into the detergent box tends to be tedious and time consuming to the user as it needs to be done manually for every wash cycle. This results in diminishing the convenience of the washing machine to the user. Furthermore, the amount of detergent supplied in the detergent box must be determined intuitively by the user, and therefore, the amount of detergent supplied may be excessive or inadequate, resulting in over-consumption and waste of the detergent or decreasing washing capacity.
- a feature of the exemplary embodiments of the present invention is to provide a detergent supply apparatus and a washing machine which may automatically supply a predetermined amount of detergent.
- Another feature of the exemplary embodiments of the present invention is to provide a detergent supply apparatus and a washing machine which may automatically supply a liquid detergent by readily using a commercially available detergent bottle containing a liquid detergent.
- a detergent supply apparatus includes: a storage area provided under a washing space in which washing is performed; a detergent bottle seat provided inside of the storage area adapted to receive a detergent bottle containing a liquid detergent; a detergent bottle connecting part adapted to be secured to the detergent bottle and provide a flow path for the liquid detergent to enter the supply apparatus; and a pump adapted to supply the liquid detergent to the washing space
- a washing machine includes: a washing tub that washes laundry; a storage area provided under the washing tub; and a liquid detergent supply apparatus disposed inside the storage area including: a detergent bottle seat adapted to receive a detergent bottle containing a liquid detergent; a detergent bottle connecting part adapted to be secured to the detergent bottle and provide a flow path for the liquid detergent to enter the liquid supply apparatus; and a pump adapted to supply the liquid detergent to the washing tub.
- the detergent bottle is easily detachable and any detachable detergent bottle may be adapted to be received inside the washing machine.
- FIG. 1 is a perspective view illustrating a washing machine according to an embodiment of the present invention.
- FIG. 2 is a side cross sectional view of the washing machine shown in FIG. 1 .
- FIG. 3 is a partially exploded perspective view of the storage drawer of the liquid detergent delivery system of the washing machine shown in FIG. 1 .
- FIGS. 4 and 5 are detailed perspective views illustrating a detergent bottle fixing part included in a washing machine according to an exemplary embodiment of the present invention.
- FIG. 6 is a perspective view illustrating a detergent bottle seating part included in a washing machine according to another exemplary embodiment of the present invention.
- FIG. 7 is a perspective view illustrating a detergent bottle seating part included in a washing machine according to still another exemplary embodiment of the present invention.
- FIG. 8 is a perspective view illustrating the structure of a detergent bottle seating part and a detergent reservoir 186 included in a washing machine according to yet still another exemplary embodiment of the present invention.
- FIG. 9 is a side cross sectional view illustrating a washing machine according to another exemplary embodiment of the present invention.
- FIG. 1 is a perspective view illustrating a washing machine according to an embodiment of the present invention
- FIG. 2 is a side cross sectional view of the washing machine illustrated in FIG. 1
- FIG. 3 is a partially exploded perspective view of the storage drawer and the liquid detergent delivery apparatus illustrated in FIG. 1 .
- a washing machine 100 includes a case 111 defining an external appearance of the washing machine 100 , a door 112 opening and closing a side surface of the case 111 so that laundry may be put into and removed from the inside of the case 111 , a washing tub 120 provided in the inside of the case 111 to wash the laundry, a storage drawer 181 provided under the washing tub 120 , and a supporting frame 161 provided under the case 111 and having a storage drawer 181 .
- the washing tub 120 in which laundry, liquid detergent, and washing water are supplied and washing is done, is arranged in the inside of the case 111 to be shock-absorbed by a spring 115 and a damper 117 .
- the washing tub 120 includes a tub 122 for accommodating washing water and liquid detergent therein, and a drum 124 rotatably arranged inside the tub 122 to accommodate the laundry therein.
- the drum 124 may have a plurality of apertures through which the washing water and the liquid detergent pass in the tub 122 , and a lifter 126 arranged on an inner surface of the drum 124 to lift and drop the laundry at a predetermined height upon rotation of the drum 124 .
- the drum 124 rotates by a rotation force exerted from a driving part 113 provided in the case 111 . Further, the functioning of the washing machine may be controlled via a controller 118 .
- a washing water supply valve 131 may supply washing water from an external water source, and the washing water flows through the washing water supply fluid passage 132 and the washing water supply valve 131 into the mixing part 133 .
- the mixing part 133 mixes the washing water with a liquid detergent, and the mixed water and detergent may flow into the tub 122 via a liquid detergent/water delivery passage 134 .
- a circulation tube 135 provides a passage for the washing water and liquid detergent to exit the tub 122 to be circulated by the circulation pump 136 .
- the circulation fluid tube 137 provides a passage for the washing water and liquid detergent to flow into the mixing part 133 .
- a water discharge tube 141 provides a passage for the used washing water and liquid detergent to exit and be discharged from the tub 122 as it is pumped by the water discharge pump 142 .
- the water discharge fluid passage 143 then provides a passage for the washing water and liquid detergent to be discharged outside the washing machine 100 .
- the storage drawer 181 includes a detergent bottle seat 184 on which a detachable detergent bottle 200 containing a liquid detergent may be seated.
- a detergent bottle connecting part 190 may also be provided in the storage drawer 181 to connect the detergent bottle 200 to the reservoir 186 such that the liquid detergent may flow therethrough.
- the liquid detergent may flow passively, by the force of gravity, through the detergent bottle connecting part 190 and is stored in the reservoir 186 .
- the detergent bottle seat 184 may be preferably provided in plurality so that a plurality of detergent bottles may be seated on one or more detergent bottle seats 184 .
- Each of the plurality of detergent bottles may contain detergents, such as a liquid detergent for washing, a liquid detergent for rinsing (fabric softener), and a liquid detergent for bleaching.
- Three detergent seats 184 are illustrated in the exemplary embodiment of FIG. 3 .
- the detergent bottle seat 184 is preferably formed to fit the shape of a surface of the detergent bottle 200 , and may be formed of an elastic member which may be deformed to fit the shape of the surface of the detergent bottle 200 in contact with the seat 184 .
- Various methods of implementing the detergent bottle seat 184 will be described later with reference to FIGS. 6 to 8 .
- the detergent bottle 200 may be detachable and in one embodiment, any commercially available detergent bottle containing a liquid detergent may be utilized as the detergent bottle 200 without adaptation. In addition, a liquid detergent may be stored and used in the detergent bottle provided together with the washing machine.
- the detergent bottle connecting part 190 connects the detergent bottle 200 with the detergent reservoir 186 .
- the detergent bottle connecting part 190 is preferably provided in plurality so that a plurality of detergent bottles may be used.
- the detergent bottle connecting part 190 includes a detergent bottle fixing part 192 that may fix the detergent bottle 200 to the seat 184 , a detergent inlet 194 into which the liquid detergent is entered, a sealing part (not shown) that prevents the leakage of the liquid detergent flowing from the detergent bottle into the detergent inlet 194 , and may also include a check valve 198 that prevents the back-flow of the liquid detergent stored in the detergent reservoir 186 when the detergent bottle 200 is removed from the reservoir 186 .
- the detergent inlet 194 provides fluid communication between the detergent bottle 200 and the detergent reservoir 186 so that the liquid detergent may flow into and be stored in the detergent reservoir 186 .
- the detergent inlet 194 may be formed so that the liquid detergent contained in the detergent bottle 200 may flow passively by the natural force of gravity into the detergent reservoir 186 .
- the detergent inlet 194 preferably includes the sealing part 196 to prevent leakage as the liquid detergent flows through the inlet 194 . Additionally, a one-way flow through the detergent inlet 194 is preferably controlled closed by the check valve 198 when liquid detergent is not actively flowing into the detergent reservoir 186 .
- the detergent reservoir 186 may store the liquid detergent supplied from the detergent bottle 200 and is preferably provided in plurality so that a plurality of detergent bottles may be used. As illustrated in FIG. 3 , three detergent storing parts 186 may be provided.
- the detergent reservoir 186 is preferably provided inside the storage drawer 181 and may include a sensor 188 that senses a level of liquid detergent stored in the reservoir 186 .
- the sensor 188 may sense when the amount of the liquid detergent stored in the detergent reservoir 186 is not sufficient according to what is needed for a washing cycle. When this situation is sensed the washing machine may be provided with one or more ways to alert a user of this situation.
- a detergent pump 168 e.g. a tube pump, a detergent fluid passage 164 , and a detergent passage storing part 166 may be provided in the supporting frame 161 .
- the detergent fluid passage 164 connects the detergent reservoir 186 with the detergent pump 168 so that the detergent pump 168 may supply the liquid detergent stored in the reservoir 186 to the washing tub 120 .
- the detergent fluid passage supporting part 166 acts to support the detergent fluid passage 164 as the storage drawer 181 is opened and closed.
- the detergent pump 168 pumps the liquid detergent stored in the detergent reservoir 186 through a detergent supply fluid passage 151 to the mixing part 133 .
- the detergent pump 168 is preferably implemented as a tube pump that extrudes the liquid detergent through the detergent fluid passage 164 .
- a plurality of detergent pumps 168 may also be provided. Embodiments of the present invention, however, may also be configured so that a single detergent fluid passage 164 and a single detergent pump 168 are provided for the plurality of detergent storing parts 186 .
- the detergent pump 168 is preferably operated so that the liquid detergent may be automatically supplied via predetermined algorithms of the controller 118 .
- the controller 118 may determine the appropriate amount of liquid detergent necessary depending on the amount of laundry, type of laundry, concentration of the liquid detergent, degree of soiling of the laundry, or a variety of other variables.
- the detergent fluid passage supporting part 166 may connect the storage drawer 181 with the supporting frame 161 and further preferably supports the detergent fluid passage 164 .
- the detergent fluid passage supporting part 166 preferably has joints that retract and extend depending on whether the storage drawer 181 is opened or closed. It is noted that the detergent fluid passage supporting part 166 may be omitted when the detergent fluid passage 164 is itself implemented to be otherwise independently extendable/retractable in a manner known by those skilled in the art.
- FIGS. 4 and 5 illustrate in more detail an embodiment of the detergent bottle fixing part 192 included in the washing machine according to an exemplary embodiment of the present invention.
- the detergent bottle fixing part 192 may include an outlet fixing part 311 that fixes a detergent outlet 220 of the detergent bottle 200 to the reservoir 186 .
- a button pressing part 312 may act to press or otherwise engage a detergent outlet button 210 of the detergent bottle 200 .
- a handle part 313 may enable a user to rotate the detergent bottle fixing part 192 by hand, and a hinge part 314 may connect the detergent bottle fixing part 192 with the detergent reservoir 186 so that the detergent bottle fixing part 192 may pivot to engage the detergent bottle 200 .
- the outlet fixing part 311 may maintain the detergent outlet 220 of the detergent bottle 200 in a stationary position and may be implemented variously depending on the shape of the detergent outlet 220 .
- the outlet fixing part 311 may be implemented to be shaped as an open circle to receive the circle-shaped detergent outlet 220 .
- the button pressing part 312 may press the detergent outlet button 210 upon fixation of the detergent bottle 200 . It is noted that the button pressing part may be implemented variously depending on the location and shape of the detergent outlet mechanism and is not limited to a button-type interaction. In the exemplary embodiment of the present invention, the button pressing part 312 is implemented to be shaped as a plate extended from the outlet fixing part 311 .
- the handle part 313 enables the user to rotate the detergent bottle fixing part 192 .
- the handle part 313 may be implemented to be shaped as a plate that is formed perpendicular to the outlet fixing part 311 .
- the hinge part 314 pivotally connects the detergent bottle fixing part 192 with the detergent reservoir 186 so that the detergent bottle fixing part 192 may rotate.
- the structure of the aforementioned detergent bottle fixing part 192 may be implemented variously by those skilled in the art depending on the shape of the commercially available detergent bottle 200 that is chosen.
- the storage drawer 181 is withdrawn so that the detergent bottle 200 may be placed on the detergent bottle seat 184 , and the detergent bottle fixing part 192 of the detergent bottle connecting part 190 receives the detergent bottle 200 .
- the detergent bottle 200 is in fluid-communicates with the detergent reservoir 186 , the liquid detergent contained in the detergent bottle 200 is supplied through the detergent inlet 194 and stored in the detergent reservoir 186 .
- the door 112 is opened so that laundry is placed in the drum 124 of the washing tub 120 .
- the washing machine 100 may operate such that the amount of laundry placed in the drum 124 is sensed and the controller 118 may set the level of water supply, the supply amount of the detergent, washing time, and the like according to the amount of laundry.
- wash parameters may alternatively be set manually, by a user.
- the washing water supply valve 131 is opened so that a predetermined amount of washing water may be supplied from an external water source.
- the detergent pump 168 may operate so that a predetermined amount of liquid detergent stored in the detergent reservoir 186 may be supplied to the tub 120 .
- plural detergent storing parts 186 are provided, preferably only a liquid detergent for washing and/or bleaching may be supplied.
- the liquid detergent stored in the detergent reservoir 186 flows via the detergent fluid passage 164 and the detergent supply fluid passage 151 into the mixing part 133 .
- the washing water and the liquid detergent may then be mixed in the mixing part 133 and flow into the tub 122 of the washing tub 120 through the liquid detergent/water supply delivery passage 134 .
- the driving part 113 When the washing water and the liquid detergent are ready to be supplied to the tub 122 , the driving part 113 operates to rotate the drum 124 for a predetermined time period. At this time, the washing water and the liquid detergent are circulated throughout the washing tub 120 by the circulation pump 136 ( FIG. 1 ).
- the driving part 113 stops and the water discharge pump 142 operates to discharge the soiled washing water and used liquid detergent outside. Then the washing water supply valve 131 is re-opened so that the washing water may be supplied for rinsing.
- the detergent pump 168 may operate to supply a predetermined amount of liquid detergent for rinsing (fabric softener).
- the washing water and the liquid detergent may be mixed in the mixing part 133 and flow into the tub 122 of the washing tub 120 through the liquid detergent/water delivery passage 134 , as the driving part 113 rotates the drum 124 for a predetermined time period. Accordingly, a rinsing process may thus be performed as described above.
- the driving part 113 stops and the water discharge pump 142 operates to discharge the soiled washing water and the rinsing liquid detergent outside. Then a dehydrating process and a drying process may be performed according to a predetermined set of instructions.
- the sensor 188 senses this and the status may be externally displayed.
- FIG. 6 illustrates a detergent reservoir 186 which may be included in a washing machine according to another exemplary embodiment of the present invention.
- the detergent bottle seat 184 includes a detergent bottle fixing protrusion 411 that may fix or position the detergent bottle 200 in place.
- the detergent bottle fixing protrusion 411 may be implemented variously depending on the shape of the detergent bottle 200 so as to be capable of maintaining the detergent bottle 200 in a stationary position on the detergent bottle seat 184 .
- FIG. 7 is a view illustrating a detergent bottle seat 184 included in a washing machine according to still another exemplary embodiment of the present invention.
- the detergent bottle seat 184 includes a detergent bottle supporting part 412 that is adapted to prevent lateral movement or axial rotation of the detergent bottle 200 .
- the detergent bottle supporting part 412 may be implemented variously depending on the shape of the detergent bottle 200 .
- FIG. 8 is a view illustrating the structure of a detergent bottle seat 184 and a detergent reservoir 413 included in a washing machine according to yet still another exemplary embodiment of the present invention.
- the detergent reservoir 413 may be opened at its top.
- the detergent bottle seat 184 and the detergent bottle connecting part 190 may be provided at a lower part in the detergent reservoir 413 .
- the detergent bottle 200 may be placed at an inside of the detergent reservoir 413 , or alternatively the liquid detergent may be directly poured into the detergent reservoir 413 .
- FIG. 9 is a side cross sectional view illustrating a washing machine according to another embodiment of the present invention.
- the inner structure or implementing method of the washing tub 120 , the case 111 , and the supporting frame 161 may be similar to that described above with reference to the exemplary embodiment of the present invention, and accordingly, the inner structure of the storage drawer 181 will be only described hereinafter.
- the storage drawer 181 included in the washing machine may include a detergent bottle seat 184 on which a detergent bottle 200 containing a liquid detergent may be seated, and a detergent bottle interface 190 coupled to the detergent bottle 200 , through which the liquid detergent is supplied.
- the structure or implementing method of the detergent bottle seat 184 may be similar to that described above with reference to previously described embodiments of the present invention.
- the detergent bottle interface 190 included in the embodiment of FIG. 9 may include an extension tube 193 inserted into the detergent bottle 200 , a connection cap 195 through which the extension tube 193 may pass and which covers the detergent outlet 220 of the detergent bottle 200 , and a pump 197 that draws the liquid detergent into and through the extension tube 193 .
- the extension tube 193 may be inserted into the detergent bottle 200 through the detergent outlet 220 of the detergent bottle 200 to allow the pump 197 to suck the liquid detergent from the detergent bottle 200 .
- the extension tube 193 penetrates the connection cap 195 and preferably has such a length that its end may reach the bottom of the detergent bottle 200 .
- the extension tube 193 may be coupled to the pump 197 , and if the pump 197 is omitted, the extension tube 193 may be coupled to the detergent fluid passage 164 .
- connection cap 195 may cover the detergent outlet 220 of the detergent bottle 200 and the extension tube 193 may pass through a portion of the connection cap 195 .
- the connection cap 195 is preferably implemented so that various types of detergent bottles 200 may be coupled with the connection cap 195 .
- an elastic member is provided at an inside of the connection cap 195 to seal the detergent outlet 220 and prevent contamination of liquid detergent inside the bottle 200 .
- the pump 197 that draws the liquid detergent from the detergent bottle 200 through the extension tube 193 may be provided adjacent to an end of the extension tube 193 .
- the pump 197 is preferably implemented as a suction-type pump. It is noted that the pump 197 may be omitted as long as a system is provided for the liquid detergent in the detergent bottle 200 to be drawn into extension tube 193 .
- the storage drawer 181 is withdrawn so that the detergent bottle 200 may be seated on the detergent bottle seat 184 , and the extension tube 193 is inserted into the detergent outlet 220 of the detergent bottle 200 .
- the connection cap 195 then may cover the detergent outlet 220 of the detergent bottle 200 .
- the door 112 is opened so that laundry is placed in the drum 124 of the washing tub 120 .
- the washing machine 100 may operate such that the amount of laundry placed in the drum 124 is sensed and the controller 118 sets the level of water supply, the supply amount of the detergent, washing time, and the like according to the amount of laundry.
- washing parameters may be manually input to the washing machine by the user.
- the washing water supply valve 131 may be opened so that a predetermined amount of washing water may be supplied from an external water source.
- the pump 197 may operate to draw the liquid detergent from the detergent bottle 200 through the extension tube 193 .
- the detergent pump 168 may then operates to supply a predetermined amount of the drawn liquid detergent to the mixing part 133 . If no pump 197 is provided, the detergent pump 168 operates alone to pump the liquid detergent from the detergent bottle 200 .
- the liquid detergent flows into the mixing part 133 via the detergent fluid passage 164 and the detergent supply fluid passage 151 .
- the remaining washing process is similar to that of the washing machine according to the previously described embodiments of the present invention.
- the pump 197 and the detergent pump 168 operate again, so that the liquid detergent for rinsing may be supplied from the detergent bottle 200 .
- the detergent pump 168 operates alone to supply the detergent.
- the detergent supply apparatus may be applied to other washing apparatuses such as a dish washer having different items to be washed and a different washing space from that of the washing machine.
- the present invention is limited to the drum-type washing machine and may be also applied to other types of washing machines such as a pulsator type or agitator type washing machine, including washing machines in which detergent is poured directly into the tub without any use of a mixing part 133 .
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Abstract
Description
- This application claims the benefit of Korean Patent Application No. 10-2008-0048190 filed on May 23, 2008, which is hereby incorporated by reference for all purposes as if fully set forth herein.
- 1. Field of the Invention
- The disclosure relates to a detergent supply apparatus and a washing machine, and more specifically to a detergent supply apparatus and a washing machine that may automatically supply a liquid detergent.
- 2. Discussion of the Related Art
- In general, a washing machine is an appliance that cleans laundry (i.e. clothing, linens, bedclothes, towels, etc., hereinafter laundry) via washing, rinsing, and dehydrating processes using water, detergent, and various mechanical operations.
- Conventional washing machines generally include a washing tub that is adapted to receive water, detergent, and laundry and arranged to rotate within a washing cabinet via a driving apparatus to wash the laundry. In addition, conventional washing machines further include a water supply apparatus that supplies water into the washing tub and a water discharge apparatus that discharges the soiled water from the washing tub outside. A detergent supply apparatus is arranged over the water supply fluid passage of the water supply apparatus to supply a detergent to the inside of the washing tub. The detergent supply apparatus includes a dispenser in fluid communication with the water supply fluid passage and a detergent box that is arranged to be removable from the dispenser and to accommodate various detergents.
- In conventional washing machines, therefore, the detergent box is withdrawn from the dispenser, a powder- or liquid-type detergent is supplied in the detergent box, and then the detergent box is inserted back into the dispenser. When the water supply apparatus operates, the powder or liquid-type detergent in the detergent box is supplied into the inside of the washing tub along with water flowing through the water supply fluid passage of the water supply apparatus.
- Conventional washing machines have the disadvantage in that the process of supplying detergent into the detergent box tends to be tedious and time consuming to the user as it needs to be done manually for every wash cycle. This results in diminishing the convenience of the washing machine to the user. Furthermore, the amount of detergent supplied in the detergent box must be determined intuitively by the user, and therefore, the amount of detergent supplied may be excessive or inadequate, resulting in over-consumption and waste of the detergent or decreasing washing capacity.
- A feature of the exemplary embodiments of the present invention is to provide a detergent supply apparatus and a washing machine which may automatically supply a predetermined amount of detergent.
- Another feature of the exemplary embodiments of the present invention is to provide a detergent supply apparatus and a washing machine which may automatically supply a liquid detergent by readily using a commercially available detergent bottle containing a liquid detergent.
- The features of the exemplary embodiments of the present invention are not limited to the above ones, and other features not referred to may be understood by those skilled in the art from the below descriptions.
- A detergent supply apparatus according to an embodiment of the present invention includes: a storage area provided under a washing space in which washing is performed; a detergent bottle seat provided inside of the storage area adapted to receive a detergent bottle containing a liquid detergent; a detergent bottle connecting part adapted to be secured to the detergent bottle and provide a flow path for the liquid detergent to enter the supply apparatus; and a pump adapted to supply the liquid detergent to the washing space
- A washing machine according to an embodiment of the present invention includes: a washing tub that washes laundry; a storage area provided under the washing tub; and a liquid detergent supply apparatus disposed inside the storage area including: a detergent bottle seat adapted to receive a detergent bottle containing a liquid detergent; a detergent bottle connecting part adapted to be secured to the detergent bottle and provide a flow path for the liquid detergent to enter the liquid supply apparatus; and a pump adapted to supply the liquid detergent to the washing tub.
- Details of these and other embodiments of the present invention will be given with reference to the detailed descriptions and accompanying drawings.
- A detergent supply apparatus and washing machine of the present invention have multiple advantageous effects as follows:
- Firstly, there is an advantage of automatically supplying a predetermined amount of liquid detergent during washing.
- Secondly, there is an advantage of improving a user's convenience resulting from a use of commercially available detergent bottles containing liquid detergent.
- Thirdly, there is an advantage that the detergent bottle is easily detachable and any detachable detergent bottle may be adapted to be received inside the washing machine.
- The effects of the present invention are not limited to the above ones and other effects not referred to may be understood by those skilled in the art from the accompanying claims.
-
FIG. 1 is a perspective view illustrating a washing machine according to an embodiment of the present invention. -
FIG. 2 is a side cross sectional view of the washing machine shown inFIG. 1 . -
FIG. 3 is a partially exploded perspective view of the storage drawer of the liquid detergent delivery system of the washing machine shown inFIG. 1 . -
FIGS. 4 and 5 are detailed perspective views illustrating a detergent bottle fixing part included in a washing machine according to an exemplary embodiment of the present invention. -
FIG. 6 is a perspective view illustrating a detergent bottle seating part included in a washing machine according to another exemplary embodiment of the present invention. -
FIG. 7 is a perspective view illustrating a detergent bottle seating part included in a washing machine according to still another exemplary embodiment of the present invention. -
FIG. 8 is a perspective view illustrating the structure of a detergent bottle seating part and adetergent reservoir 186 included in a washing machine according to yet still another exemplary embodiment of the present invention. -
FIG. 9 is a side cross sectional view illustrating a washing machine according to another exemplary embodiment of the present invention. - The advantages and features of the present invention and methods of achieving them will be apparent from the following exemplary embodiments that will be described in more detail with reference to the accompanying drawings. It should be noted, however, that the present invention is not limited to the following exemplary embodiments, and may be implemented in various forms. Accordingly, the exemplary embodiments are provided only to disclose the present invention and let those skilled in the art know the category of the present invention; the scope of the present invention is defined by accompanying claims. Throughout the specification, the same reference numerals refer to the same elements.
- Hereinafter, the present invention will be described by its exemplary embodiments with reference to the accompanying drawings that illustrate a detergent supply apparatus and a washing machine.
-
FIG. 1 is a perspective view illustrating a washing machine according to an embodiment of the present invention,FIG. 2 is a side cross sectional view of the washing machine illustrated inFIG. 1 , andFIG. 3 is a partially exploded perspective view of the storage drawer and the liquid detergent delivery apparatus illustrated inFIG. 1 . - A
washing machine 100 according to an embodiment of the present invention includes acase 111 defining an external appearance of thewashing machine 100, adoor 112 opening and closing a side surface of thecase 111 so that laundry may be put into and removed from the inside of thecase 111, awashing tub 120 provided in the inside of thecase 111 to wash the laundry, astorage drawer 181 provided under thewashing tub 120, and a supportingframe 161 provided under thecase 111 and having astorage drawer 181. - The
washing tub 120, in which laundry, liquid detergent, and washing water are supplied and washing is done, is arranged in the inside of thecase 111 to be shock-absorbed by aspring 115 and adamper 117. Preferably, thewashing tub 120 includes atub 122 for accommodating washing water and liquid detergent therein, and adrum 124 rotatably arranged inside thetub 122 to accommodate the laundry therein. Thedrum 124 may have a plurality of apertures through which the washing water and the liquid detergent pass in thetub 122, and alifter 126 arranged on an inner surface of thedrum 124 to lift and drop the laundry at a predetermined height upon rotation of thedrum 124. Thedrum 124 rotates by a rotation force exerted from a drivingpart 113 provided in thecase 111. Further, the functioning of the washing machine may be controlled via acontroller 118. - As illustrated in
FIG. 2 , it is preferable that a washingwater supply valve 131, a washing watersupply fluid passage 132, a mixingpart 133, and a liquid detergent/water delivery passage 134 are provided on the inside of thecase 111. The washingwater supply valve 131 may supply washing water from an external water source, and the washing water flows through the washing watersupply fluid passage 132 and the washingwater supply valve 131 into themixing part 133. The mixingpart 133 mixes the washing water with a liquid detergent, and the mixed water and detergent may flow into thetub 122 via a liquid detergent/water delivery passage 134. - Furthermore, it is preferable that a
circulation tube 135, acirculation pump 136, and acirculation fluid tube 137 are provided in thecase 111. Other configurations, however, are within the scope of the invention. Thecirculation tube 135 provides a passage for the washing water and liquid detergent to exit thetub 122 to be circulated by thecirculation pump 136. Thecirculation fluid tube 137 provides a passage for the washing water and liquid detergent to flow into themixing part 133. - It is also preferable that a
water discharge tube 141, awater discharge pump 142, and a waterdischarge fluid passage 143 are provided in thecase 111. Again, other configurations are within the scope of the invention. Thewater discharge tube 141 provides a passage for the used washing water and liquid detergent to exit and be discharged from thetub 122 as it is pumped by thewater discharge pump 142. The waterdischarge fluid passage 143 then provides a passage for the washing water and liquid detergent to be discharged outside thewashing machine 100. - It is understood that the structure and arrangement inside the
washing tub 120 and thecase 111 described above may be altered by those skilled in the art. - The
storage drawer 181 includes adetergent bottle seat 184 on which adetachable detergent bottle 200 containing a liquid detergent may be seated. A detergentbottle connecting part 190 may also be provided in thestorage drawer 181 to connect thedetergent bottle 200 to thereservoir 186 such that the liquid detergent may flow therethrough. The liquid detergent may flow passively, by the force of gravity, through the detergentbottle connecting part 190 and is stored in thereservoir 186. - The
detergent bottle seat 184 may be preferably provided in plurality so that a plurality of detergent bottles may be seated on one or more detergent bottle seats 184. Each of the plurality of detergent bottles may contain detergents, such as a liquid detergent for washing, a liquid detergent for rinsing (fabric softener), and a liquid detergent for bleaching. Threedetergent seats 184 are illustrated in the exemplary embodiment ofFIG. 3 . Thedetergent bottle seat 184 is preferably formed to fit the shape of a surface of thedetergent bottle 200, and may be formed of an elastic member which may be deformed to fit the shape of the surface of thedetergent bottle 200 in contact with theseat 184. Various methods of implementing thedetergent bottle seat 184 will be described later with reference toFIGS. 6 to 8 . - The
detergent bottle 200 may be detachable and in one embodiment, any commercially available detergent bottle containing a liquid detergent may be utilized as thedetergent bottle 200 without adaptation. In addition, a liquid detergent may be stored and used in the detergent bottle provided together with the washing machine. The detergentbottle connecting part 190 connects thedetergent bottle 200 with thedetergent reservoir 186. The detergentbottle connecting part 190 is preferably provided in plurality so that a plurality of detergent bottles may be used. The detergentbottle connecting part 190 includes a detergentbottle fixing part 192 that may fix thedetergent bottle 200 to theseat 184, adetergent inlet 194 into which the liquid detergent is entered, a sealing part (not shown) that prevents the leakage of the liquid detergent flowing from the detergent bottle into thedetergent inlet 194, and may also include acheck valve 198 that prevents the back-flow of the liquid detergent stored in thedetergent reservoir 186 when thedetergent bottle 200 is removed from thereservoir 186. - The
detergent inlet 194 provides fluid communication between thedetergent bottle 200 and thedetergent reservoir 186 so that the liquid detergent may flow into and be stored in thedetergent reservoir 186. Thedetergent inlet 194 may be formed so that the liquid detergent contained in thedetergent bottle 200 may flow passively by the natural force of gravity into thedetergent reservoir 186. Thedetergent inlet 194 preferably includes the sealingpart 196 to prevent leakage as the liquid detergent flows through theinlet 194. Additionally, a one-way flow through thedetergent inlet 194 is preferably controlled closed by thecheck valve 198 when liquid detergent is not actively flowing into thedetergent reservoir 186. - The
detergent reservoir 186 may store the liquid detergent supplied from thedetergent bottle 200 and is preferably provided in plurality so that a plurality of detergent bottles may be used. As illustrated inFIG. 3 , threedetergent storing parts 186 may be provided. Thedetergent reservoir 186 is preferably provided inside thestorage drawer 181 and may include asensor 188 that senses a level of liquid detergent stored in thereservoir 186. Thesensor 188 may sense when the amount of the liquid detergent stored in thedetergent reservoir 186 is not sufficient according to what is needed for a washing cycle. When this situation is sensed the washing machine may be provided with one or more ways to alert a user of this situation. - As illustrated in
FIGS. 2 and 3 , adetergent pump 168, e.g. a tube pump, adetergent fluid passage 164, and a detergentpassage storing part 166 may be provided in the supportingframe 161. Thedetergent fluid passage 164 connects thedetergent reservoir 186 with thedetergent pump 168 so that thedetergent pump 168 may supply the liquid detergent stored in thereservoir 186 to thewashing tub 120. The detergent fluidpassage supporting part 166 acts to support thedetergent fluid passage 164 as thestorage drawer 181 is opened and closed. - The
detergent pump 168 pumps the liquid detergent stored in thedetergent reservoir 186 through a detergentsupply fluid passage 151 to the mixingpart 133. Thedetergent pump 168 is preferably implemented as a tube pump that extrudes the liquid detergent through thedetergent fluid passage 164. When thedetergent fluid passage 164 is provided in plurality corresponding to the plurality ofdetergent reservoirs 186, a plurality of detergent pumps 168 may also be provided. Embodiments of the present invention, however, may also be configured so that a singledetergent fluid passage 164 and asingle detergent pump 168 are provided for the plurality ofdetergent storing parts 186. - The
detergent pump 168 is preferably operated so that the liquid detergent may be automatically supplied via predetermined algorithms of thecontroller 118. Thecontroller 118 may determine the appropriate amount of liquid detergent necessary depending on the amount of laundry, type of laundry, concentration of the liquid detergent, degree of soiling of the laundry, or a variety of other variables. - The detergent fluid
passage supporting part 166 may connect thestorage drawer 181 with the supportingframe 161 and further preferably supports thedetergent fluid passage 164. The detergent fluidpassage supporting part 166 preferably has joints that retract and extend depending on whether thestorage drawer 181 is opened or closed. It is noted that the detergent fluidpassage supporting part 166 may be omitted when thedetergent fluid passage 164 is itself implemented to be otherwise independently extendable/retractable in a manner known by those skilled in the art. -
FIGS. 4 and 5 illustrate in more detail an embodiment of the detergentbottle fixing part 192 included in the washing machine according to an exemplary embodiment of the present invention. - The detergent
bottle fixing part 192 may include anoutlet fixing part 311 that fixes adetergent outlet 220 of thedetergent bottle 200 to thereservoir 186. Abutton pressing part 312 may act to press or otherwise engage adetergent outlet button 210 of thedetergent bottle 200. Ahandle part 313 may enable a user to rotate the detergentbottle fixing part 192 by hand, and a hinge part 314 may connect the detergentbottle fixing part 192 with thedetergent reservoir 186 so that the detergentbottle fixing part 192 may pivot to engage thedetergent bottle 200. - The
outlet fixing part 311 may maintain thedetergent outlet 220 of thedetergent bottle 200 in a stationary position and may be implemented variously depending on the shape of thedetergent outlet 220. In the exemplary embodiment of the present invention, theoutlet fixing part 311 may be implemented to be shaped as an open circle to receive the circle-shapeddetergent outlet 220. - The button
pressing part 312 may press thedetergent outlet button 210 upon fixation of thedetergent bottle 200. It is noted that the button pressing part may be implemented variously depending on the location and shape of the detergent outlet mechanism and is not limited to a button-type interaction. In the exemplary embodiment of the present invention, thebutton pressing part 312 is implemented to be shaped as a plate extended from theoutlet fixing part 311. - The
handle part 313 enables the user to rotate the detergentbottle fixing part 192. In the exemplary embodiment of the present invention, thehandle part 313 may be implemented to be shaped as a plate that is formed perpendicular to theoutlet fixing part 311. The hinge part 314 pivotally connects the detergentbottle fixing part 192 with thedetergent reservoir 186 so that the detergentbottle fixing part 192 may rotate. - The structure of the aforementioned detergent
bottle fixing part 192 may be implemented variously by those skilled in the art depending on the shape of the commerciallyavailable detergent bottle 200 that is chosen. - An operation of the washing machine according to the exemplary embodiments of the present invention, as configured above, will be described as follows.
- In one embodiment, the
storage drawer 181 is withdrawn so that thedetergent bottle 200 may be placed on thedetergent bottle seat 184, and the detergentbottle fixing part 192 of the detergentbottle connecting part 190 receives thedetergent bottle 200. When thedetergent bottle 200 is in fluid-communicates with thedetergent reservoir 186, the liquid detergent contained in thedetergent bottle 200 is supplied through thedetergent inlet 194 and stored in thedetergent reservoir 186. - The
door 112 is opened so that laundry is placed in thedrum 124 of thewashing tub 120. Once thedoor 112 is closed and sealed, thewashing machine 100 may operate such that the amount of laundry placed in thedrum 124 is sensed and thecontroller 118 may set the level of water supply, the supply amount of the detergent, washing time, and the like according to the amount of laundry. Of course, wash parameters may alternatively be set manually, by a user. - The washing
water supply valve 131 is opened so that a predetermined amount of washing water may be supplied from an external water source. In addition, thedetergent pump 168 may operate so that a predetermined amount of liquid detergent stored in thedetergent reservoir 186 may be supplied to thetub 120. When pluraldetergent storing parts 186 are provided, preferably only a liquid detergent for washing and/or bleaching may be supplied. - When the
detergent pump 168 operates, the liquid detergent stored in thedetergent reservoir 186 flows via thedetergent fluid passage 164 and the detergentsupply fluid passage 151 into the mixingpart 133. The washing water and the liquid detergent may then be mixed in the mixingpart 133 and flow into thetub 122 of thewashing tub 120 through the liquid detergent/watersupply delivery passage 134. - When the washing water and the liquid detergent are ready to be supplied to the
tub 122, the drivingpart 113 operates to rotate thedrum 124 for a predetermined time period. At this time, the washing water and the liquid detergent are circulated throughout thewashing tub 120 by the circulation pump 136 (FIG. 1 ). - Once the above-mentioned process is complete, the driving
part 113 stops and thewater discharge pump 142 operates to discharge the soiled washing water and used liquid detergent outside. Then the washingwater supply valve 131 is re-opened so that the washing water may be supplied for rinsing. Thedetergent pump 168 may operate to supply a predetermined amount of liquid detergent for rinsing (fabric softener). - The washing water and the liquid detergent may be mixed in the mixing
part 133 and flow into thetub 122 of thewashing tub 120 through the liquid detergent/water delivery passage 134, as the drivingpart 113 rotates thedrum 124 for a predetermined time period. Accordingly, a rinsing process may thus be performed as described above. - When the abovementioned rinsing process is complete, the driving
part 113 stops and thewater discharge pump 142 operates to discharge the soiled washing water and the rinsing liquid detergent outside. Then a dehydrating process and a drying process may be performed according to a predetermined set of instructions. - When the amount of the liquid detergent stored in the
detergent reservoir 186 is insufficient for washing, thesensor 188 senses this and the status may be externally displayed. -
FIG. 6 illustrates adetergent reservoir 186 which may be included in a washing machine according to another exemplary embodiment of the present invention. - The
detergent bottle seat 184 includes a detergentbottle fixing protrusion 411 that may fix or position thedetergent bottle 200 in place. The detergentbottle fixing protrusion 411 may be implemented variously depending on the shape of thedetergent bottle 200 so as to be capable of maintaining thedetergent bottle 200 in a stationary position on thedetergent bottle seat 184. -
FIG. 7 is a view illustrating adetergent bottle seat 184 included in a washing machine according to still another exemplary embodiment of the present invention. - The
detergent bottle seat 184 includes a detergentbottle supporting part 412 that is adapted to prevent lateral movement or axial rotation of thedetergent bottle 200. The detergentbottle supporting part 412 may be implemented variously depending on the shape of thedetergent bottle 200. -
FIG. 8 is a view illustrating the structure of adetergent bottle seat 184 and adetergent reservoir 413 included in a washing machine according to yet still another exemplary embodiment of the present invention. - The
detergent reservoir 413 may be opened at its top. Thedetergent bottle seat 184 and the detergentbottle connecting part 190 may be provided at a lower part in thedetergent reservoir 413. In use, thedetergent bottle 200 may be placed at an inside of thedetergent reservoir 413, or alternatively the liquid detergent may be directly poured into thedetergent reservoir 413. -
FIG. 9 is a side cross sectional view illustrating a washing machine according to another embodiment of the present invention. - The inner structure or implementing method of the
washing tub 120, thecase 111, and the supportingframe 161 may be similar to that described above with reference to the exemplary embodiment of the present invention, and accordingly, the inner structure of thestorage drawer 181 will be only described hereinafter. - The
storage drawer 181 included in the washing machine, according to the embodiment illustrated inFIG. 9 , may include adetergent bottle seat 184 on which adetergent bottle 200 containing a liquid detergent may be seated, and adetergent bottle interface 190 coupled to thedetergent bottle 200, through which the liquid detergent is supplied. - The structure or implementing method of the
detergent bottle seat 184 may be similar to that described above with reference to previously described embodiments of the present invention. - The
detergent bottle interface 190 included in the embodiment ofFIG. 9 may include anextension tube 193 inserted into thedetergent bottle 200, aconnection cap 195 through which theextension tube 193 may pass and which covers thedetergent outlet 220 of thedetergent bottle 200, and apump 197 that draws the liquid detergent into and through theextension tube 193. - The
extension tube 193 may be inserted into thedetergent bottle 200 through thedetergent outlet 220 of thedetergent bottle 200 to allow thepump 197 to suck the liquid detergent from thedetergent bottle 200. Theextension tube 193 penetrates theconnection cap 195 and preferably has such a length that its end may reach the bottom of thedetergent bottle 200. Theextension tube 193 may be coupled to thepump 197, and if thepump 197 is omitted, theextension tube 193 may be coupled to thedetergent fluid passage 164. - The
connection cap 195 may cover thedetergent outlet 220 of thedetergent bottle 200 and theextension tube 193 may pass through a portion of theconnection cap 195. Theconnection cap 195 is preferably implemented so that various types ofdetergent bottles 200 may be coupled with theconnection cap 195. Preferably, an elastic member is provided at an inside of theconnection cap 195 to seal thedetergent outlet 220 and prevent contamination of liquid detergent inside thebottle 200. - The
pump 197 that draws the liquid detergent from thedetergent bottle 200 through theextension tube 193 may be provided adjacent to an end of theextension tube 193. Thepump 197 is preferably implemented as a suction-type pump. It is noted that thepump 197 may be omitted as long as a system is provided for the liquid detergent in thedetergent bottle 200 to be drawn intoextension tube 193. - An operation of the washing machine according to another exemplary embodiment of the present invention as configured above, will be described as follows.
- The
storage drawer 181 is withdrawn so that thedetergent bottle 200 may be seated on thedetergent bottle seat 184, and theextension tube 193 is inserted into thedetergent outlet 220 of thedetergent bottle 200. Theconnection cap 195 then may cover thedetergent outlet 220 of thedetergent bottle 200. - The
door 112 is opened so that laundry is placed in thedrum 124 of thewashing tub 120. Once thedoor 112 is closed and sealed, thewashing machine 100 may operate such that the amount of laundry placed in thedrum 124 is sensed and thecontroller 118 sets the level of water supply, the supply amount of the detergent, washing time, and the like according to the amount of laundry. Of course, washing parameters may be manually input to the washing machine by the user. - The washing
water supply valve 131 may be opened so that a predetermined amount of washing water may be supplied from an external water source. In addition, thepump 197 may operate to draw the liquid detergent from thedetergent bottle 200 through theextension tube 193. Thedetergent pump 168 may then operates to supply a predetermined amount of the drawn liquid detergent to the mixingpart 133. If nopump 197 is provided, thedetergent pump 168 operates alone to pump the liquid detergent from thedetergent bottle 200. - When the
detergent pump 168 operates, the liquid detergent flows into the mixingpart 133 via thedetergent fluid passage 164 and the detergentsupply fluid passage 151. - The remaining washing process is similar to that of the washing machine according to the previously described embodiments of the present invention. Upon a rinsing process, the
pump 197 and thedetergent pump 168 operate again, so that the liquid detergent for rinsing may be supplied from thedetergent bottle 200. When nopump 197 is provided, thedetergent pump 168 operates alone to supply the detergent. - Even though the present invention has been described with reference to accompanying drawings, the present invention is not limited to the above embodiments, which are exemplary only, and may be modified or varied by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, the exemplary embodiments disclosed herein.
- Even though it has been described that the items to be washed are laundry items and the washing space is the washing tub, the present invention is not limited thereto. For example, the detergent supply apparatus may be applied to other washing apparatuses such as a dish washer having different items to be washed and a different washing space from that of the washing machine.
- Furthermore, the present invention is limited to the drum-type washing machine and may be also applied to other types of washing machines such as a pulsator type or agitator type washing machine, including washing machines in which detergent is poured directly into the tub without any use of a mixing
part 133. - The foregoing embodiments and advantages are merely exemplary and are not to be construed as limiting the present invention. The present teaching can be readily applied to other types of apparatuses. The description of the foregoing embodiments is intended to be illustrative, and not to limit the scope of the claims. Many alternatives, modifications, and variations will be apparent to those skilled in the art.
Claims (27)
Priority Applications (1)
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US14/828,081 US20150354126A1 (en) | 2008-05-23 | 2015-08-17 | Detergent supply apparatus and washing machine |
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KR20080048190A KR101482110B1 (en) | 2008-05-23 | 2008-05-23 | Washing machine |
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US14/828,081 Abandoned US20150354126A1 (en) | 2008-05-23 | 2015-08-17 | Detergent supply apparatus and washing machine |
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2009
- 2009-05-22 US US12/453,841 patent/US9133576B2/en not_active Expired - Fee Related
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2015
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Also Published As
Publication number | Publication date |
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KR101482110B1 (en) | 2015-01-13 |
WO2009142354A1 (en) | 2009-11-26 |
US20150354126A1 (en) | 2015-12-10 |
KR20090122004A (en) | 2009-11-26 |
US9133576B2 (en) | 2015-09-15 |
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